$this->stamp = date('YmdHis');
XDB::execute('INSERT INTO requests (user_id, type, data, stamp) VALUES ({?}, {?}, {?}, {?})',
$this->uid, $this->type, $this, $this->stamp);
$this->stamp = date('YmdHis');
XDB::execute('INSERT INTO requests (user_id, type, data, stamp) VALUES ({?}, {?}, {?}, {?})',
$this->uid, $this->type, $this, $this->stamp);